Type training · Boeing 737 Classic B1.1 · ATA 27

Boeing 737 Classic B1.1: Flight Controls (ATA 27)Type training questions & answers

Ailerons and spoilers, rudder and standby rudder, elevator feel, stabilizer trim, stall warning, flaps, slats and autoslat.

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Sample Flight Controls questions with answers

Three questions from the free preview. Think of your answer first, then open the explanation.

  1. 1.What hydraulic pressure powers the 737 Classic aileron PCUs?

    • A.System B only, at the full 3,000 psi
    • B.The standby system at about 2,000 psi
    • C.Systems A and B at 3,000 psi
    Show answer and explanation

    Correct answer: C. Systems A and B at 3,000 psi

    Two functionally independent 3,000 psi systems, A and B, power the aileron control system. Ref 737-300/400/500 AMM 27-11-00.

  2. 2.How far do the 737 Classic ailerons move each way from neutral?

    • A.26 degrees, up and down
    • B.20 degrees
    • C.15 degrees, up and down
    Show answer and explanation

    Correct answer: B. 20 degrees

    Bus drum rotation of 40° each way moves the ailerons 20° each way from neutral. Ref 737-300/400/500 AMM 27-11-00.

  3. 3.How much aileron travel can 737 Classic aileron trim give?

    • A.15 degrees each way
    • B.5 degrees each way only
    • C.20 degrees, full travel
    Show answer and explanation

    Correct answer: A. 15 degrees each way

    Aileron trim provides 15° of aileron travel in both directions from neutral. Ref 737-300/400/500 AMM 27-11-00.

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Part of the Boeing 737 Classic B1.1 type course

One chapter of the Boeing 737 Classic B1.1 type course question bank, for the 737-300/400/500 with CFM56-3 engines, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.

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